Sn |
n+c |
bn |
(n+36)bn+1 |
n(1+4n-3) |
2 |
Sn |
n+c |
n(2n-1) |
n+c |
12 |
2+c |
1 |
1+c |
15 |
3+c |
1 |
2 |
2n |
(n+36)(2n+2) |
n |
(n+36)(n+1) |
1 | ||
n+
|
1 |
12+37 |
1 |
49 |
36 |
n |
1 |
49 |
1 |
2 |
2 |
a |
1 |
2b |
A.
| B.5 | C.
| D.6 |
A.84 | B.72 | C.60 | D.43 |
A.1 | B.-1 | C.(-1)n | D.(-1)n-1 |
1 |
2 |
1 |
4 |
Sn |
Tn |
7n+1 |
4n+27 |
an |
bn |
S2n-1 |
T2n-1 |
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